APA (7th ed.) Citation

Westcott, A. F., Lewis, C. L., & Weber, C. J. (1931). Four centuries of literature, English and American. Little, Brown.

Chicago Style (17th ed.) Citation

Westcott, Allan F., Charles Lee Lewis, and Carl Jefferson Weber. Four Centuries of Literature, English and American. Boston: Little, Brown, 1931.

MLA (9th ed.) Citation

Westcott, Allan F., et al. Four Centuries of Literature, English and American. Little, Brown, 1931.